Imperial Gunworx is all about craftsmanship, and providing a service and relationship that will last for generations. Imperial is owned and operated by two certified gunsmiths, Markus Esterline, and Imperial Gunworx is all about craftsmanship, and providing a service and relationship that will last for generations. Imperial is owned and operated by two certified gunsmiths, Markus Esterline, and Bradley Robinson. While in the Master Gunsmith program at The Pennsylvania Gunsmith School, both were taught the traditional ways to gunsmith. Where using new age machines inst always the answer to the fix. Mark and Brad are very meticulous about their work. Hand fit and finish is the motto of their trade. Both have a dedicated passion for vintage and modern firearms.